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我厂家属楼大部分是60年代末、70年代初建造的,采用沥青卷材屋面。这种防水层使用年限已久,近十多年间,由于屋面渗漏而返修就有18栋,花费数十万元资金。一、产生屋面渗漏水的原因分析1.防水层材料选用不当。如采购私人办的小厂卷材沥青放在露天时间太长,耐候性和抗老化性能差,延
Most of my factory building was built in the late 1960s and early 1970s, and used asphalt coiled roofing. This kind of waterproof layer has been used for a long time. In the past ten years, there have been 18 repairs due to roof leakage, which cost hundreds of thousands of yuan. I. Analysis of Causes for Roof Leakage Water 1. Improper use of waterproof layer materials. For example, the privately-run small-scale coiled-coal asphalt is placed in open air for too long, and its weatherability and anti-aging properties are poor.